Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9216460 | Coolant-hole equipped drill | Hiroyuki Higashi, Koichiro Naruke, Tadashi Yamamoto, Kazuya Yanagida | 2015-12-22 |
| 7652770 | Optical nonliner evaluation device and optical switching element | Keiichi Edamatsu, Ryosuke Shimizu | 2010-01-26 |
| D602054 | Drill with unique shaped coolant holes | Kazuya Yanagida, Hiroyuki Higashi | 2009-10-13 |
| D602055 | Drill with unique shaped coolant holes | Kazuya Yanagida, Hiroyuki Higashi | 2009-10-13 |
| 5865951 | Process for making paper | Shigenao Kawakami, Hiroshi Horiuchi, Norio Kondo | 1999-02-02 |
| 5178944 | Recording material | Hiroshi Horiuchi, Hirofumi Tsuka | 1993-01-12 |